Home / 85,197.02-117,495.15-53,368.70

Finding the Fourth Proportional to 85,197.02, 117,495.15 and 53,368.70

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Solution

The fourth proportional to 85,197.02, 117,495.15 and 53,368.70 is: 73,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,197.02 : 117,495.15 = 53,368.70 : x
  2. Step 2: Convert to fraction form
    85,197.02/117,495.15 = 53,368.70/x
  3. Step 3: Cross multiply
    85,197.02x = 117,495.15 × 53,368.70
  4. Step 4: Simplify right side
    85,197.02x = 6,270,563,411.81
  5. Step 5: Solve for x
    x = 6,270,563,411.81/85,197.02
  6. Step 6: Final answer
    x = 73,600.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.